types_of_people = 20
x = f"There are {types_of_people} types of people"

binary = "binary"

do_not = "don't"

y = f"Those who know {binary} and those who {do_not}"

print(x)
print(y)

print(f"i said: {x}")

print(f"i also said: {y}")

hilarious = "False" # 滑稽

joke_evaluation = "Isn't that joke so funny!"

print(joke_evaluation. format(hilarious))

w = "This is the left side of..."
e = "a string with a right side."
print(w + e)

